Welcome to Judith Capital, a discreet office for luxury assets.

We specialize in loose diamonds and exclusive gold bullion.

Welcome to Judith Capital,
a discreet office for luxury assets.
We specialize in loose diamonds and exclusive gold bullion.
Our obsession with precision →

Discreet Diamond-Trading
Enclave in Henderson, Nevada

Discreet Diamond-Trading
Enclave in Henderson, NV

10 Minutes from Henderson Executive Airport

10 Minutes from
Henderson Executive Airport

Our office serves as a private headquarters and testing facility, not open to the public. For security, all in-person meetings are pre-arranged. The environment reflects the quiet sophistication of the New York Diamond District, combining a modern, minimal design with the highest standards of confidentiality.

For your convenience, we are also available for discreet transactions at Henderson Executive Airport, including aboard your jet, with prior arrangement. Confidentiality is always maintained, and we execute NDAs upon request for additional assurance.

Instantly shop lab-grown diamonds online, or join our Buyers Club for wholesale market data, natural diamond sourcing, and concierge-level brokerage services.

Shop Our GIA & IGI Lab Grown Diamonds
Learn All About Our Certified Diamonds
Shop Our GIA & IGI Lab Grown Diamonds
Learn All About Our Certified Diamonds

Premier Diamond and Bullion Analysis

We proudly use the best diagnostic equipment in the world

SCIAPS XRF • OGI SYSTEMS DIATRUE • SIGMA METALYTICS • METTLER TOLEDO

We proudly use the best diagnostic equipment in the world

SCIAPS XRF • OGI SYSTEMS DIATRUE
SIGMA METALYTICS • METTLER TOLEDO

Visual assessment for determining authenticity of jewelry, diamonds, and bullion.
Visual
Magnetic testing to detect counterfeit metals in gold, silver, and platinum items.
Magnetic
Electrical testing to analyze the authenticity of metals, including gold and silver.
Electrical
X-ray testing for precise analysis of gold, platinum, and silver materials.
X-Ray
Density testing to verify the authenticity of precious metals like gold and silver, as well as diamonds in specialized cases.
Density
Ultrasound testing for bullion analysis to verify gold and silver content.
Ultrasound
Thermal testing for identifying authentic diamonds by their heat conductivity.
Thermal
UV fluorescence testing to differentiate between earth-mined diamonds and lab-grown diamonds.
Ultraviolet
Visual assessment for determining authenticity of jewelry, diamonds, and bullion.
Visual
Magnetic testing to detect counterfeit metals in gold, silver, and platinum items.
Magnetic
Electrical testing to analyze the authenticity of metals, including gold and silver.
Electrical
X-ray testing for precise analysis of gold, platinum, and silver materials.
X-Ray
Density testing to verify the authenticity of precious metals like gold and silver, as well as diamonds in specialized cases.
Density
Ultrasound testing for bullion analysis to verify gold and silver content.
Ultrasound
Thermal testing for identifying authentic diamonds by their heat conductivity.
Thermal
UV fluorescence testing to differentiate between earth-mined diamonds and lab-grown diamonds.
Ultraviolet
Our laboratory specializes in advanced testing of diamonds and gold bullion. We authenticate diamonds with precision, distinguishing between natural and lab-grown. Using state-of-the-art X-ray, electrical, density, and ultrasound testing, we detect gold plating, counterfeit metals, and analyze the elemental composition of bullion, ensuring absolute confidence in authenticity.

With a comprehensive suite of cutting-edge testing technologies, Judith Capital stands among the most capable laboratories in the world, delivering unmatched precision in diamond and bullion verification.

Learn About Our Laboratory
Learn About Our Laboratory
Loose diamonds and tweezers, representing Judith Capital's selection of certified diamonds.
Gold bullion bars, symbolizing Judith Capital's offerings in precious metals.